199365312 has 42 divisors (see below), whose sum is σ = 528005548. Its totient is φ = 66389888.

The previous prime is 199365301. The next prime is 199365349. The reversal of 199365312 is 213563991.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 195139 + ... + 196157.

Almost surely, 2^199365312 is an apocalyptic number.

199365312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

199365312 is an abundant number, since it is smaller than the sum of its proper divisors (328640236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199365312 is an frugal number, since it uses more digits than its factorization.

199365312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053 (or 1024 counting only the distinct ones).

The product of its digits is 43740, while the sum is 39.

The square root of 199365312 is about 14119.6781833015. The cubic root of 199365312 is about 584.1842791193.

The spelling of 199365312 in words is "one hundred ninety-nine million, three hundred sixty-five thousand, three hundred twelve".